Activate Lightning-Rig Crew by tapping it, dealing 1 damage to each opponent.
Malcolm triggers, creating at least one Treasure token.
Activate a Treasure token by tapping it and sacrificing it, adding {U}.
Activate Freed from the Real by paying {U}, untapping Lightning-Rig Crew.
Repeat.

Infinite colored mana

Infinite damage

Infinite Treasure tokens

Malcolm, Keen-Eyed Navigator

Lightning-Rig Crew

Freed from the Real

Tap Lightning-Rig Crew to deal 1 damage to each opponent, creating 3 treasure tokens from Malcolm's trigger.
Sacrifice 3 treasure token for {2}{U}.
Activate Crab Umbra to untap Lightning-Rig Crew.
Repeat.

Near-infinite sacrifice triggers

Crab Umbra

Activate Lightning-Rig Crew by tapping it, dealing 1 damage to each opponent.
Malcolm triggers, creating a Treasure artifact token for each opponent dealt damage this way.
Activate three Treasures by tapping and sacrificing them, adding {3}.
Activate Lightning-Rig Crew by paying {3} and untapping it, giving it +2/+2 until end of turn.
Repeat until you have two or less opponents remaining.

Near-infinite damage to most opponents

Infinite damage to one opponent

Near-infinitely large creature until end of turn

Umbral Mantle

Activate Lightning-Rig Crew by tapping it, dealing 1 damage to each opponent.
Malcolm triggers, creating a Treasure artifact token for each opponent dealt damage this way.
Activate three Treasures by tapping and sacrificing them, adding {3}.
Activate Sword of the Paruns by paying {3}, untapping Lightning-Rig Crew.
Repeat until you have two or less opponents remaining.

Sword of the Paruns

Activate Lightning-Rig Crew by tapping it, dealing 1 damage to each opponent.
Malcolm triggers, creating a Treasure artifact token for each opponent dealt damage this way.
Activate Clock of Omens by tapping two Treasures, untapping Lightning-Rig Crew.
Repeat until you have one or less opponent remaining.

Combos with "Lightning-Rig Crew"